<html>

In test 1, we'll just show the page with two images.
<a href="/code/any.html?mode=input&parameters_url=/code/test/parameters.xml&instructions=http://google.com&data_url=/code/test/work_unit.xml">test1</a><br/>

In test 2, we'll show the same page with two images and the input values.
<a href="/code/any.html?mode=display&parameters_url=/code/test/parameters.xml&instructions=http://google.com&data_url=/code/test/work_unit.xml&annotation_url=/code/test/annotation.xml">test2 display</a>
